Browse Media Learn More

Free Membership - Access to more than just media

Families and school personnel (including those in training) who have at least one student with a disability can sign up for free membership.

Accessible Media

Standards-aligned videos with high-quality captions and audio description.

Teaching Tools

Create lessons and assign videos to managed Student Accounts.

Training Videos

Educator and sign language training videos for school personnel and families.
Learning Center

Find resources for providing equal access in the classroom, making media accessible, and maximizing your use of DCMP's free services.
Visit Learning Center

Accessibility Information

DCMP's Learning Center provides hundreds of articles on topics such as remote learning, transition, blindness, ASL, topic playlists, and topics for parents.

See All

Accessibility Guidelines

DCMP offers the only guidelines developed for captioning and describing educational media, used worldwide.
Captioning Key
Description Key

Help Center

Learn how to apply for membership, find and view accessible media, and use DCMP’s teaching tools.
Help Center
Continuing Education and Professional Development

DCMP offers several online courses, including many that offer RID and ACVREP credit. Courses for students are also available.
See All eLearning Resources

QuickClasses

Asynchronous, online classes for professionals working with students who are deaf, hard of hearing, blind, low vision, or deaf-blind.

See QuickClasses

Workshops

For interpreters, audio describers, parents, and educators working with students who are hard of hearing, low vision, and deaf-blind.
See Workshops

Modules

Modules are self-paced, online trainings designed for professionals, open to eLearners and full members.
See Modules

Students

These self-paced, online learning modules cover the topics of transition, note-taking, and learning about audio description.

See Student Courses
Make your educational content accessible and broadly available.

DCMP can add captions, audio description, and sign language interpretation to your educational videos and E/I programming.
Learn More

Accessibility

Captions are essential for viewers who are deaf and hard of hearing, and audio description makes visual content accessible for the blind and visually impaired.

Distribution

DCMP can ensure that your content is always accessible and always available to children with disabilities through our secure streaming platforms.

Meet our partners

DCMP partners with top creators and distributors of educational content. Take a look
About the Described and Captioned Media Program

The DCMP provides services designed to support and improve the academic achievement of students with disabilities. We partner with top educational and television content creators and distributors to make media accessible and available to these students.
Contact Us
Services

Captioning, audio description, and ASL services

Professional training for school personnel

Distribution of fully accessible streaming media

Projects

Media Center

Television Access

We Describe the World

YouTube Audio Description

Privacy and TOS

Privacy Statement

Terms of Service

Accessibility Policy

Mission and Funding

Read More

Earth Science Modules: Calculating Density (Module 1, Topic 6)

13 minutes 4 seconds

Apply for Free Membership

Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.

Browse Full-length Non-member Titles

Closeup of 2 beakers filled with 60 milliliters of clear liquid. Next to the beakers are a brown cylindrical object a black cube. Man in the background reaches his hands towards the objects.

Density is the mass per unit volume or the amount of matter in a given volume. Students are shown how to measure the mass and volume of objects in order to determine their densities. Part of the "Earth Science Modules" series.

Media Details

Runtime: 13 minutes 4 seconds

Topic: Mathematics, Science
Subtopic: Mathematics, Science Experiments, Science Methods
Grade/Interest Level: 7 - 12
Standards:

Release Year: 2018
Producer/Distributor: WHRO Education
Series: Earth Science Modules
Report a Problem

Digital heat map of the United States with title that reads, "Frequency of Damaging Earthquake Shaking Around the United States." The western U, S, is red, orange and yellow. The eastern U, S, is green, blue, and yellow.

Wide shot of an active volcano at night. Text reads, "Geology, the study of the origin of the Earth, along with its rocks, minerals, landforms, and all of the processes that have affected them over the course of Earth's history."

Split screen photos of a flat snowy area and the ocean. Text reads, Scientific methods. Step 1: Problem or Question. Why does the fresh water in ponds freeze before the salt water in oceans.

Digital illustration of a triple beam balance scale with a beaker filled with blue liquid. Text above reads, what is the mass of the beaker and fluid?

Closeup of 2 beakers filled with 60 milliliters of clear liquid. Next to the beakers are a brown cylindrical object a black cube. Man in the background reaches his hands towards the objects.

Line graph shows Estimated Carbon Dioxide Emission from China. Text reads, "Given the overall trend shown in the line graph, would you expect an increase or decrease in carbon dioxide over the next 5 years? The overall trend indicates an increase in carbon dioxide.

Digital map of North America with a title overlay that reads, "Weather Map." A red letter L is visible near California, Washington, Mexico, Wyoming, and Mississippi. A blue H is visible near Texas, Missouri, and Tennessee.

Digital map of Earth with an overlay illustration of a flat sphere shape. Text reads, "Robinson Projection."

Closeup of a person's hand pointing at a spot on a globe in east Russia.

Digital map of earth with longitudinal lines running all the way across. The time on the clock is labeled on bottom and the time differences are labeled on top. The middle section is labeled at 12:00 and 0 time difference.